config: default to ceph-ci.git
config: default to ceph-ci.git

Developers will normally be pushing branches to ceph-ci and testing against
those.  Testings branches in the canonical ceph.git will be less common
(mostly the cron jobs).

Signed-off-by: Sage Weil <6dd34506bbd5e58221bbb3e4732d97c91f02277b@redhat.com>

SUSE/teuthology,dmick/teuthology,ceph/teuthology,dmick/teuthology,ceph/teuthology,SUSE/teuthology,ktdreyer/teuthology,dmick/teuthology,SUSE/teuthology,ktdreyer/teuthology